As the authors of this study stated, cold ‘could play a role in reducing the prevalence of harmful misfolded proteins, which are thought to play a role in the development of a number of conditions associated with aging, such as Alzheimer’s…. [cold] is one of the most effective mechanisms known to prolong longevity across many different species.’
For over half a century, scientists have known that cold activates longevity. They just didn’t know how or why. In this study (which began with worms), researchers noticed that the lower the temperature, the fewer misfolded proteins in the worms’ cells. They then investigated human cells where they found that reducing the temperature to 36ºC triggered exactly the same cell-clearing mechanism as it had in worms.
36ºC is just about a single degree below normal body temperature. You don’t have to move to Minnesota, Canada, or Scandinavia to achieve that, unless you want to. A cold shower should accomplish that as well. Embrace the cold and look forward to the joy of getting warm afterwards.